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Given the amount and kinds of threads you've been posting, I'd say theres a more serious issue with your entire computer. I'd say, back up all your stuff to cds/dvds, format your hard drive, reinstall windows, and then reinstall ff7 and try patching it from there. I don't think even the ultima edition is this buggy.
Also, open your case and check that video card of yours, it may be damaged (unless it's working well for all your other games)